``Harbinger Capital Management investors are poised to pull one-sixth of the firm's assets over the next 12 months. The hedge fund has received $1 billion in redemption requests from its flagship fund... Harbinger's flagship, which has returned 2.2% this year, is already 30% lighter than it was at the beginning of the year... News of the redemptions comes as opposition to LightSquared's network continued to grow. ''